Viewing archive of Friday, 17 July 2009 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 0 | 0 | A0.0 | A0.55 |
Sunspot regions
There were no sunspot regions on the earth-facing solar disc on this day
All times in UTC
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